Polygon2DOMjudge

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Polygon2DOMjudge

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Simple python script converting polygon package to domjudge(kattis) package

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# Polygon2DOMjudge

[![Test][gh-test-badge]][gh-test]
[![GitHub release][gh-release-badge]][gh-release]

[中文](README.cn.md)

## What is this

It is a simple python script converting polygon package to DOMjudge (kattis) package.

## Install

### Run directly with uvx

```bash
# From PyPI (stable)
uvx p2d --help

# From GitHub (latest)
uvx --from git+https://github.com/cn-xcpc-tools/Polygon2DOMjudge p2d --help
```

### From PyPI (stable release, has been used in some contests)

```bash
# Using uv (recommended)
uv tool install p2d

# Or using pipx
pipx install p2d
```

### From source (latest version, under development with new features)

```bash
# Using uv (recommended)
uv tool install git+https://github.com/cn-xcpc-tools/Polygon2DOMjudge

# Or using pipx
pipx install git+https://github.com/cn-xcpc-tools/Polygon2DOMjudge
```

## CLI Example

First, you should build **full** package from Polygon and download the **Linux** package to your local.

> [!WARNING]
> If you download the standard package and then run `doall.sh` to build the full package by yourself, the linebreaks will be CRLF.
> Make sure you convert the linebreaks to LF before running the script because DOMjudge is running on Linux.

```bash
# Download the full package from Polygon to /path/to/polygon-package.zip
$ p2d --code A --color "#FF0000" -o /path/to/domjudge-package.zip /path/to/polygon-package.zip
```

Run this command to make a package from `/path/to/polygon-package.zip` to `/path/to/domjudge-package.zip` and set `code` and `color`.

You can omit the output path, and the default output path will be in the current working directory and named as `{{ code }}.zip`.

All available parameters are:

- `--code`: problem short name in DOMjudge contest.
- `--color`: problem color in DOMjudge.
- `--default`: force use the default output validator.
- `--validator-flags`: add some flags to the output validator, only works when `--default` is set.
- `--auto`: use the default output validator if the checker is defined in config and can be replaced by the default one.
- `--memory-limit`: override the memory limit for DOMjudge package (in MB), default is using the memory limit defined in polygon package.
- `--output-limit`: override the output limit for DOMjudge package (in MB), default is using the default output limit in DOMjudge setting.
- `--hide-sample`: hide the sample input and output from the problem statement, no sample data will be available for the contestants (force True if this is an interactive problem).
    When this is not set to True and the sample output is different from the main and correct solution (usually both are correct answers),
    the sample output will be replaced with the one shipped with problem statement.
    But the sample input will not be replaced because DOMjudge does not support different sample input from the one downloaded.
- `--keep-sample`: keep the sample output from the main and correct solution, this is useful when the sample output from problem statement is a placeholder.
    (By default, all sample output will be replaced with the one shipped with problem statement)
- `--external-id`: specify the external id of the problem in DOMjudge, default is using the problem short-name in polygon.
- `--with-statement`: include the pdf statement in the DOMjudge package.
- `--with-attachments`: include attachments (e.g. local testing tools for interactive problem) in the DOMjudge package.
- `--testset`: specify the testset to convert, must specify the testset name if the problem has multiple testsets.

### Convert the whole contest

You can use `p2d-contest` to get a script to convert all problems in a contest.

```bash
# Download the contest.xml from Polygon first
$ p2d-contest /path/to/contest.xml > convert.sh
```

## Config

In [config.toml](./config.example.toml), you can change some special checker's validator's flags, which will be used to replace the checker with the default output validator when `--auto` is set.

> [!NOTE]
> You should create a new file named `config.toml` or something else and pass it to the script with `--config` parameter. The script will merge the default config with your config.

## Environment Variable

Don't change them unless you know what you are doing.

- `TESTLIB_PATH`

## API Example

> [!WARNING]
> The API is not stable and may change in the future.

This is an example to convert all problems in a contest defined in [`problems.yaml`](https://ccs-specs.icpc.io/draft/contest_package#problemsyaml) to DOMjudge package.

```python
import yaml
from pathlib import Path

from p2d import convert

polygon = Path('/path/to/polygon-packages')
domjudge = Path('/path/to/domjudge-packages')

with open(domjudge / 'problems.yaml') as f:
    problems = yaml.safe_load(f)

for problem in problems:
    prob_id = problem['id']
    convert(
        polygon / f'{prob_id}.zip',
        domjudge / f'{prob_id}.zip',
        short_name=problem['label'],
        color=problem['rgb'],
    )
```

## Known Issues

- For interactive problems, you must validate the output in the interactors, because DOMjudge cannot handle `tout` stream like Polygon.
- For multi-pass problems
  - Some logic are different from Polygon, you may need to modify it to fit the DOMjudge environment, DOMjudge will use `-DDOMJUDGE` macro to distinguish whether it is in DOMjudge environment, so you can use it to adapt your code.
  - You may need to call `tout.open(make_new_file_in_a_dir(argv[3], "nextpass.in"), std::ios_base::out)` to create the next pass input file when there exists a next pass.

## Development

```bash
# install
uv sync

# build
uv build

# run unittest
uv run pytest

```

[gh-test-badge]: https://github.com/cn-xcpc-tools/Polygon2DOMjudge/actions/workflows/test.yml/badge.svg
[gh-test]: https://github.com/cn-xcpc-tools/Polygon2DOMjudge/actions/workflows/test.yml
[gh-release-badge]: https://img.shields.io/github/release/cn-xcpc-tools/Polygon2DOMjudge.svg
[gh-release]: https://GitHub.com/cn-xcpc-tools/Polygon2DOMjudge/releases/

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